199277938823142 has 16 divisors (see below), whose sum is σ = 398556525245760. Its totient is φ = 66425871674472.

The previous prime is 199277938823053. The next prime is 199277938823147. The reversal of 199277938823142 is 241328839772991.

199277938823142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×199277938823142³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199277938823147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22936288 + ... + 30407715.

It is an arithmetic number, because the mean of its divisors is an integer number (24909782827860).

Almost surely, 2^{199277938823142} is an apocalyptic number.

199277938823142 is an abundant number, since it is smaller than the sum of its proper divisors (199278586422618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199277938823142 is a wasteful number, since it uses less digits than its factorization.

199277938823142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53966627.

The product of its digits is 658409472, while the sum is 75.

The spelling of 199277938823142 in words is "one hundred ninety-nine trillion, two hundred seventy-seven billion, nine hundred thirty-eight million, eight hundred twenty-three thousand, one hundred forty-two".